Ivanov Grigorii

From Korolyov, Russia

Player page

Internal rating (RR)

Rating date March 5, 2026 (latest changes March 2, 2026).

143 place (307.62).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (561.40 * 3.90 * 1 + 578.95 * 2.25 * 1 + 0 + 0 + 0) / (3.90 * 1 + 2.25 * 1 + 1 + 1 + 1) = 381.6502732240437

p2 = (561.40 * 3.90 * 1 + 578.95 * 2.25 * 1) / max_coefficients = 233.58528428093646

score = 381.6502732240437 * 0.5 + 233.58528428093646 * 0.5 = 307.6177787524901

Rating changes

Show

all results
Date Place Points Reason
2026-03-01 146 -> 143 307.62
2026-02-23 139 -> 146 307.62
2026-02-13 140 -> 139 307.62
2026-02-09 142 -> 140 307.62
2026-02-08 137 -> 142 307.62
2026-02-04 138 -> 137 307.62
2026-02-02 140 -> 138 307.62
2026-01-25 139 -> 140 307.62
2026-01-12 140 -> 139 307.62
2026-01-07 135 -> 140 307.62

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 579 2025-12-07 9/20 100% 2.25 RR Winter Hatiko Korolyov
2 561 2025-11-04 26/58 100% 3.90 RR XI Russian Championship Moscow